I think this is probably the product of a mini-comics workshop at the 1992 Norwescon. It may be titled Welcome to the Deeper End of the Gene Pool, I don't know. The atomic bomb seems to be a recurring theme.
There are a few more artists who I couldn't identify.
Generally speaking, Not Available printings beyond the 1st have a datestamp on the front or back cover which is the printing date of the batch that copy was from. Matt Feazell says those post-1st printings were usually 60 copies or fewer.
First printing appears to be October 3, 1992.
Other known printings:
July 26, 1993
September 9, 1995
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